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Signal processing system for carbon baking kiln gas temperature alarm device

A technology of carbon roasting furnace and flue gas temperature, which is applied to fire alarms, thermometers, and measuring devices that rely on smoke/gas effects, and can solve problems such as poor signal processing effects to ensure accuracy and safety , the effect of simple structure

Inactive Publication Date: 2017-02-15
SICHUAN HUASUO AUTOMATION INFORMATION ENGCO
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defect that the signal processing system of the existing carbon roaster flue gas temperature alarm device has a poor signal processing effect, and to provide a signal processing system for the carbon roaster flue gas temperature alarm device

Method used

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  • Signal processing system for carbon baking kiln gas temperature alarm device

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Embodiment

[0017] Such as figure 1 As shown, the present invention is mainly composed of a processing chip U, a transistor VT2, a resistor R8, a resistor R9, a polar capacitor C7, a diode D3, an inductor L2, a signal receiving low-pass filter circuit, and a frequency error correction circuit.

[0018] When connected, the anode of the polarity capacitor C7 is connected to the base of the triode VT2, and the cathode is connected to the GNEG pin of the processing chip U after passing through the inductor L2. One end of the resistor R9 is connected to the VINP pin of the processing chip U, and the other end is connected to the base of the transistor VT2. One end of the resistor R8 is connected to the collector of the transistor VT2, and the other end is grounded. The N pole of the diode D3 is connected to the COM pin of the processing chip U, and the P pole is connected to the emitter of the triode VT2. The signal receiving low-pass filter circuit is respectively connected with the base of...

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Abstract

The invention discloses a signal processing system for a carbon baking kiln gas temperature alarm device. The system mainly comprises a processing chip U, a triode VT2, a polarity capacitor C7, a resistor R8, a diode D3, a signal reception low pass filtering circuit which is separately connected with a base electrode of the triode VT2 and a VC base pin of the processing chip U, and a frequency error correction circuit connected with the processing chip U. The system is advantaged in that useless signals of signals can be inhibited or eliminated, phases and frequency errors of output signals can be adjusted to make the output signal be stable, so signal processing accuracy is improved, and the temperature alarm device is guaranteed to accurately alarm when carbon baking kiln gas temperature is overhigh.

Description

technical field [0001] The invention relates to a signal processing system, in particular to a signal processing system for a carbon roasting furnace flue gas temperature alarm device. Background technique [0002] Carbon roasting furnaces usually use petroleum coke and pitch as raw materials. Under high temperature conditions, the roasting workshop completes the roasting of vibration-shaped raw carbon blocks into qualified cooked carbon blocks. The temperature of raw carbon block is 200-1200°C during the roasting process, and a large amount of roasting flue gas is released during this process. The main components of the roasting furnace flue gas are asphalt fume, tar and various combustible dust, and the flue gas outlet temperature is as high as 900°C. At high temperature, these flue gases must be discharged from the flue in time, otherwise it is easy to overheat and burn, and even cause an explosion. At present, in order to prevent accidents caused by excessive temperatur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B17/10G08B17/06G01K1/02
CPCG08B17/06G08B17/10G01K1/02G01K1/024
Inventor 郭力
Owner SICHUAN HUASUO AUTOMATION INFORMATION ENGCO
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